/*
 * Copyright 2016 higherfrequencytrading.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.openhft.chronicle.queue;

/**
 * Created by Peter on 05/03/2016.
 */
public enum TailerDirection {
    NONE(0), // don't move after a read.
    FORWARD(+1), // move to the next entry
    BACKWARD(-1) // move to the previous entry.
    ;

    private final int add;

    TailerDirection(int add) {
        this.add = add;
    }

    public int add() {
        return add;
    }
}
